<template>
  <div class="app-container">
    讲师列表
    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名" />
      </el-form-item>

      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师" />
          <el-option :value="2" label="首席讲师" />
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.beginTime"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.endTime"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>

    <!-- 表格 -->
    <el-table :data="list" border fit highlight-current-row>
      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">{{ (page - 1) * limit + scope.$index + 1 }}</template>
      </el-table-column>

      <el-table-column prop="name" label="名称" width="80" />

      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">{{ scope.row.level===1?'高级讲师':'首席讲师' }}</template>
      </el-table-column>

      <el-table-column prop="intro" label="简介" />

      <el-table-column prop="gmtCreate" label="添加时间" width="160" />

      <el-table-column prop="sort" label="排序" width="60" />

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/edit/'+scope.row.id"> <!--路由跳转 -->
            <el-button type="primary" size="mini" icon="el-icon-edit" >修改</el-button>
          </router-link>

          <el-button type="danger" size="mini" icon="el-icon-delete"  @click="removeDataById(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />
  </div>
</template>

<script>
// 引入调用teacher.js
import teacher from "@/api/edu/teacher.js";

export default {
  // data:{

  // },
  data() {
    // 定义变量和初始值
    return {
      list: null, // 查询之后接口返回的集合
      page: 1, // 当前页
      limit: 10, // 每页记录数
      total: 0, // 总记录数
      teacherQuery: {} //条件对象
    };
  },
  created() {
    // 页面渲染之前执行，一般调用methods
    this.getList();
  },
  methods: {
    // 查询讲师列表的方法
    getList(page = 1) {
      //page=1 的意思是如果不传参默认page为1，传参就是传的值，和java不一样
      this.page = page;
      teacher
        .getTeacherListPage(this.page, this.limit, this.teacherQuery)
        .then(response => {
          // 请求成功
          //response接口返回得数据
          //console.log(response)
          this.list = response.data.rows;
          this.total = response.data.total;
          console.log(this.list);
          console.log(this.total);
        })
        .catch(error => {
          // 请求失败
          console.log(error);
        });
    },
    resetData() {
      // 1.清空表单中的数据，即清空条件
      this.teacherQuery = {};
      // 2.查询讲师列表
      this.getList();
    },
    // 删除讲师
    removeDataById(id) {
      this.$confirm("是否删除讲师信息?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      })
        .then(() => {// 点击确定，调用then方法
          //调用删除的方法
          teacher.deleteTeacherById(id).then(response => {//删除成功
            // 提示信息
            this.$message({
              type: "success",
              message: "删除成功!"
            });
            //回到列表页面
            this.getList()
          })
        })
    }
  }
};
</script>